A brief description of the concepts is provided in each box. Many questions utilize charts, diagrams, photographs and data included in the module. In most questions students are expected to reach conclusions based on the figures and data.

Graphic from Module - Click for Large View Observational (ATPI)
Investigation #12 - Equatorial System
  • Detailed diagrammatic introductory question setting up the equatorial system on a celestial sphere.
  • Varied celestial sphere diagrams developing right ascension and declination.
  • Sidereal time using celestial sphere diagram problems.
  • Application of right ascension as related to seasons.
  • Questions developing the equatorial system as related to observer latitude.
  • Concepts of circumpolar stars, rise and set times, and never seen stars.
Other Observational Modules:
#6| #7| #8| #9| #11| #13| #14| #15| #20| #22| #23| #24| #25

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